Christmas tree light



FIG. 1 is a top, front, left side perspective view of a Christmas tree light, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof. 

The ornamental design for Christmas tree light, as shown. 